<template>
    <title>水平布局 (horizontal)：子组件水平排列。</title>
    <el-container direction="horizontal">
    <el-header>Header</el-header>
    <el-aside width="200px">Aside</el-aside>
    <el-main>Main</el-main>
    <el-footer>Footer</el-footer>
  </el-container>
</template>